fix(helm): update chart grafana to 8.0.1

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
grafana (source)	patch	8.0.0 -> 8.0.1

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Release Notes

grafana/helm-charts (grafana)

### [`v8.0.1`](https://togithub.com/grafana/helm-charts/compare/grafana-8.0.0...grafana-8.0.1) [Compare Source](https://togithub.com/grafana/helm-charts/compare/grafana-8.0.0...grafana-8.0.1)

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